I developed a kernel and after a lot of debugging with the compilation and runtime errors, I was finally able to run my opencl kernel. But the moment it starts running, the entire desktop hangs. SSH could be done to the system but the on PC keyboard or mouse or any sort of interrupts do not show a response. I have a 64 bit toshiba laptop with mobility radeon hd 4500 series and am running 32 bit centos on it. Also tried 32 and 64 bit ubuntu 10.10 on it, but the same problem persists. Is this a bug, or is there some important step I am missing??? Please help urgently!!!